This document specifies the optical, chromatic, physical, and marking requirements for cycle retro-reflective devices. The corresponding test methods are described. This document applies to cycles used on public roads, particularly retro-reflective devices for two-wheeled cycles conforming to GB 3565.2 and GB 14746.
Basic Data
Standard ID
GB/T 31887.2-2025 (GB/T31887.2-2025)
Description (Translated English)
Cycles - Lighting and retro-reflective devices - Part 2: Retro-reflective devices
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
Y14
Classification of International Standard
43.150
Word Count Estimation
22,212
Date of Issue
2025-10-31
Date of Implementation
2026-11-01
Older Standard (superseded by this standard)
GB/T 31887.2-2019
Issuing agency(ies)
State Administration for Market Regulation and Standardization Administration of China
